Vertical compression forming process for ceramic blanks for bathrooms

A molding process and a technology of ceramic billets, which are applied in the field of molding technology of sanitary ceramic blanks, can solve problems such as low molding efficiency, billet air bubbles, and occupying a large area, so as to reduce the occupied area, prevent blank deformation, and save investment low cost effect

Inactive Publication Date: 2012-05-09
CHONGQING SWELL SANITARY WARE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005]1. The solid grouting process takes a long time to form, usually more than 4 hours before demoulding;
[0006]2. The density of the blank obtained by the solid grouting process is not uniform enough. Usually, the part of the mold with good water absorption performance is relatively dense, and the part with insufficient water absorption performance , the blank is not dense enough;
[0007]3. In the solid grouting process, there may be bubble defects in the blank...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The invention provides a direct pressure forming process of a sanitary ceramic blank, which includes the following steps:

[0024] 1) Configure the molding materials according to the ratio and mix them evenly;

[0025] 2) Refining the molding slurry of the blank, making it evenly mixed, controlling the water content of the slurry at about 18%, and vacuuming the slurry to remove possible air bubbles in the slurry;

[0026] 3) According to the weight of the molded blank, take the molding mud of corresponding weight;

[0027] 4) Place the forming slurry in the forming mold, and extrude the mold to form it;

[0028] 5) The part of the forming mold in contact with the blank is made of water-absorbing and breathable K gypsum, and air is blown into the joint part of the forming mold and the blank through the forming mold to separate the blank from the forming mold to obtain a blank.

Embodiment 2

[0030] The present invention provides a direct pressure molding process for sanitary ceramic blanks, the steps of which are basically the same as those in Example 1, the difference being that in 2) the water content of the slurry is controlled at about 30%.

Embodiment 3

[0032] The present invention provides a direct pressure molding process for sanitary ceramic blanks, the steps of which are basically the same as those in Example 1, the difference being that in 2) the water content of the slurry is controlled at about 23%.

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PUM

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Abstract

The invention belongs to the technical field of ceramic forming, and particularly relates to forming process for ceramic blanks for bathrooms. The forming process comprises steps that 1, forming materials are prepared according to proportion and mixed uniformly, 2, forming mud of a blank is refined and uniformly mixed, and moisture content of the mud is controlled below 30%, 3, forming mud in corresponding weight is taken according to the weight of the formed blank, 4, the forming mud is placed in a forming mold, and the mold is squeezed so that the blank is formed, and 5, by the aid of the forming mold, air is blown into a combined part of the forming mold and the blank, so that the blank is separated from the forming mold and is produced. The vertical compression forming process for ceramic blanks for bathroom is fast in forming speed, high in manufacturing efficiency, low in mold cost and small in occupied area, and the blank is compact sufficiently.

Description

technical field [0001] The invention belongs to the technical field of ceramic molding, and in particular relates to a molding process of a sanitary ceramic blank. Background technique [0002] The production process of sanitary ceramics generally includes the following steps. First, prepare slurry, then use the slurry to make blanks, then glaze the blanks, and finally complete the product through the sintering step. [0003] Most of the existing sanitary ceramic blanks are made by the traditional grouting molding process, and the hollow grouting process and the solid grouting process are selected according to the shape of the sanitary ceramic blanks: that is, for the usual small opening blanks, it is difficult to remove the inner core, The hollow grouting process is used to make the shape; for the blanks with large openings or small openings that can be spliced, it is easy to take out the inner core, and the solid grouting process is used. [0004] For blanks with large op...

Claims

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Application Information

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IPC IPC(8): B28B3/26
Inventor 周才友郑建和胡敏渝詹华春李建
Owner CHONGQING SWELL SANITARY WARE GRP
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